Mood: The mood of the video appears to be contemplative and introspective, with a sense of nostalgia. The three men sitting on a train track, with a serene mountainous landscape in the background, suggests a theme of reflection, friendship, and possibly a journey of self-discovery. The overall tone seems calm and thought-provoking.

Environment: The setting of the video appears to be a scenic outdoor location, with a body of water and majestic mountains in the background. The three men are sitting on a train track, which could indicate a rural or countryside setting. The warm color palette and serene atmosphere suggest a peaceful and natural environment.